DBS Group Holdings chief executive Piyush Gupta has apologised to customers for the inconvenience caused by the recent automated teller machine (ATM) scam. -- LIANHE ZAOBAO PHOTO: THONG KAH HOONG By Magdalen Ng and Robin Chan DBS Group Holdings chief executive Piyush Gupta has apologised to customers for the inconvenience caused by the recent automated teller machine (ATM) scam. In his first public comments on the incident which saw about 400 customers affected and $500,000 stolen from DBS and POSB bank accounts by fraudsters in Malaysia, Mr Gupta said the unauthorised ATM withdrawals were done through a card skimming scheme by a syndicate, that can happen to any bank. He was speaking at the DBS private bank luncheon at Shangri-La Hotel on Wednesday. He said DBS will start offering SMS alerts for withdrawals from customer bank accounts above a certain threshold to enhance ...